Welcome!  Just remember that the Paleo way of life is a "way of life" and not a diet.  You will naturally lose weight but don't freak out when the weight loss slows down.  You will feel healthy and that is the real goal.  As far as weight loss goes, many have lost lots of weight, others not so much.  What type of exercise do you plan on doing?  Weight training is actually better than all other types so I encourage you to look into that.  Good luck and do not look back...  When you fall, dust yourself off and get up and start again... This will work if you let it....

Welcome to the forum, and good luck!

I should warn you that Cordain's book talks about lean meat, but most people who actually eat paleo long-term advocate eating fatty meat. If you follow Cordain's plan strictly, you won't get enough fat or calories to stay satisfied. Paleo shouldn't be about calorie restriction, but if you don't get enough fat it becomes a calorie-restricted diet.